<template>
  <div>
    <el-upload
      :action="`${path}/fileUploadAndDownload/upload`"
      :before-upload="checkFile"
      :on-error="uploadError"
      :on-success="uploadSuccess"
      :show-file-list="false"
      class="upload-btn"
    >
      <el-button type="primary">普通上传</el-button>
    </el-upload>
  </div>
</template>

<script setup>

import { ref } from "vue"
import { ElMessage } from "element-plus"
import { isVideoMime, isImageMime } from "@/utils/image"

defineOptions({
  name: "UploadCommon",
})

const emit = defineEmits(["on-success"])
const path = ref(import.meta.env.VITE_BASE_API)

const fullscreenLoading = ref(false)

const checkFile = (file) => {
  fullscreenLoading.value = true
  const isLt500K = file.size / 1024 / 1024 < 0.5 // 500K, @todo 应支持在项目中设置
  const isLt5M = file.size / 1024 / 1024 < 50 // 5MB, @todo 应支持项目中设置
  const isVideo = isVideoMime(file.type)
  const isImage = isImageMime(file.type)
  let pass = true
  if (!isVideo && !isImage) {
    ElMessage.error("上传图片只能是 jpg,png,svg,webp 格式, 上传视频只能是 mp4,webm 格式!")
    fullscreenLoading.value = false
    pass = false
  }
  if (!isLt5M && isVideo) {
    ElMessage.error("上传视频大小不能超过 5MB")
    fullscreenLoading.value = false
    pass = false
  }
  if (!isLt500K && isImage) {
    ElMessage.error("未压缩的上传图片大小不能超过 500KB，请使用压缩上传")
    fullscreenLoading.value = false
    pass = false
  }

  console.log("upload file check result: ", pass)

  return pass
}

const uploadSuccess = (res) => {
  const { data } = res
  if (data.file) {
    emit("on-success", data.file.url)
  }
}

const uploadError = () => {
  ElMessage({
    type: "error",
    message: "上传失败"
  })
  fullscreenLoading.value = false
}

</script>

